alum
/'ælәm/
📖 中文释义
- n. 明矾, 矾, 校友
- [化] 明矾; 钾铝明矾
🔗 释义中的汉语词
🧩 词形变化
复数 alums
📘 English Definition（英文释义）
- n. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
- n. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
- n. a double sulphate of aluminum and potassium that is used as an astringent (among other things)